452213678 has 32 divisors (see below), whose sum is σ = 801822720. Its totient is φ = 187181280.

The previous prime is 452213677. The next prime is 452213687. The reversal of 452213678 is 876312254.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452213677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372200 + ... + 373412.

It is an arithmetic number, because the mean of its divisors is an integer number (25056960).

Almost surely, 2^452213678 is an apocalyptic number.

452213678 is a deficient number, since it is larger than the sum of its proper divisors (349609042).

452213678 is a wasteful number, since it uses less digits than its factorization.

452213678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its digits is 80640, while the sum is 38.

The square root of 452213678 is about 21265.3163155407. The cubic root of 452213678 is about 767.5639422300.

The spelling of 452213678 in words is "four hundred fifty-two million, two hundred thirteen thousand, six hundred seventy-eight".